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Milk Teeth :: Permanent Teeth :: What can damage my child's teeth? :: Tooth Decay :: Dental Erosion How can I protect my child's teeth? :: Going to the dentist :: Diet :: Toothbrushing
Disclosure Tablet Instructions :: Toothpaste :: Fluoride Supplements :: Fissure Sealants


CHILDREN

Childsmile

This is a Government initiative operating throughout Scotland to:

  • improve the oral health of pre school children
  • provide help and advice to parents and carers
  • apply flouride varnish to provide protection to milk teeth

Monica McArthur and Lynn Whiting are our Childsmile nurses.

Further information is available on the childsmile website (www.child-smile.org.uk)


Milk Teeth

Children usually have 20 milk (or deciduous) teeth. They start to grow through the gums (erupt) at about six months old. Most children have all 20 teeth by the age of two or three.

Milk teeth have an important part to play in the development of the permanent teeth, so it is very important to look after them.


Permanent Teeth

ChildrenPermanent teeth usually start to erupt at the age of six. Adults have up to 32 permanent teeth. Most of these will erupt by the age of 13. However, wisdom teeth - those at the very back of the mouth - often don't erupt until the early to mid-twenties, if at all.

Permanent teeth press on the roots of the milk teeth. The roots dissolve until the milk teeth fall out. This is called exfoliation and happens between seven and 13 years old.

If permanent teeth are damaged or need to be removed, there will not be another set of natural teeth to replace them.


What can damage my child's teeth?

Many children fall over and bump their teeth accidentally. This is usually unavoidable and you should take them to the nearest dentist or Accident and Emergency department for treatment.

However, tooth decay (dental caries) and dental erosion are two common causes of damage to children's teeth that can be avoided.


Tooth Decay

Our mouths are full of bacteria that build up on the teeth in a sticky layer (plaque). These bacteria digest some of the sugar in our food and drinks, making acids that can weaken the tooth enamel (enamel is a hard coating on teeth which helps protect them).

Frequent sugar in the diet combined with insufficient toothbrushing mean that the acids from the bacteria stay in contact with the teeth for long periods of time, resulting in tooth decay.

Untreated decay will eventually reach the centre of the tooth and can result in an infection or toothache.


Dental Erosion

Dental erosion is the gradual wearing away of the enamel on teeth (enamel is a hard coating on teeth which helps protect them). It is caused by acid attacking the surfaces of the teeth, but this time the acids are not made by bacteria. Instead, the acids usually come from drinks such as fruit juices, fizzy drinks and squashes - even the sugar-free varieties.

These drinks are so popular that over half of all five year olds in the UK have significant dental erosion.
Dental erosion can result in sensitivity and pain. Although the enamel doesn't grow back it doesn't usually need treatment, although in severe cases your dentist may protect eroded teeth with a filling.


How can I protect my child's teeth?

There are a number of things that you can do to reduce your child's risk of tooth decay and dental erosion.

Some useful tips include:

  • Take your child to the dentist regularly
  • Restrict sugary or acidic food and drinks in their diet
  • Encourage regular toothbrushing
  • Take advice from your dentist about protective treatments such as fluoride supplements and fissure sealants (See Fissure sealants)

These tips are discussed in more detail below.


Going to the Dentist

Going to the DentistIt's a good idea to take your child when you go for your own routine dental check-ups, even when they are too young to have teeth. This helps them to become familiar with the people and the surroundings at the dental surgery.
Your dentist will look in your child's mouth in a fairly informal way. This allows your dentist to count how many teeth have erupted and spot any early signs of decay. Quick, painless check-ups like this help to encourage good co-operation when your child is older.

Your dentist will recommend check-ups at intervals suitable for your child. Children usually need dental visits more frequently than adults. This is because milk teeth are smaller and have thinner enamel, so decay can spread very quickly. Frequent check-ups help your dentist to treat decay early, before it causes toothache.


Diet

Most parents know that reducing sugar in the diet is the best way to prevent tooth decay. What many don't realise, though, is that it is how often their child eats sugar - rather than how much - that is important. Eating sugary food and drinks frequently is the main cause of tooth decay.

Small sugary snacks taken often = serious decay risk.

E.g. you’re much better to have a packet of milky buttons all at once rather than a milky button every hour which is a disaster waiting to happen.

Similarly, it is the frequency of acidic food and drinks - rather than the amount - that affects tooth erosion. Consuming acidic drinks frequently is the main cause of tooth erosion.

To protect your child's teeth against decay and erosion, try to keep squashes, fizzy drinks, natural fruit juices, sweets and cakes to a minimum. It is especially important to avoid sugary food and drinks as snacks between meals or before bedtime.

Fruit, vegetables, cheese and milk are all healthier snacks because they contain natural sugars. These are much less likely to cause decay. You can help to protect against erosion by finishing a meal with an alkaline food such as milk or cheese. This will neutralise the acid in your child's mouth.

Plain water doesn't cause tooth decay or erosion. Some children find it hard to drink water if they usually have sweeter drinks, but they will get used to it in time.


Toothbrushing

Brush Teeth RegularlyYou should start cleaning your child's teeth as soon as they come through the gums. Toothbrushes specifically for babies are available. It is important to try and make toothbrushing a regular activity, after breakfast and before bedtime, so that it becomes part of your child's daily routine.

As your child gets older you can teach them how to brush their own teeth, using a gentle, circular motion and fluoride toothpaste. Make sure that they understand that they have to clean every tooth. Give them plenty of encouragement and praise.

You should supervise your child while they brush their teeth. Once they are about seven years old - or can write legibly - they can start to brush their teeth on their own, but check how well they are doing every few days.

Disclosing tablets are small pills that, if chewed for 30 seconds, turn plaque a bright colour - usually pink. This can help you show your child any areas they have missed.


DISCLOSING TABLET INSTRUCTIONS

These tablets help you clean your teeth. They do this by showing where the plaque is on your teeth. If plaque is left on teeth it causes tooth decay and gum disease. Use the tablets once a week, on a Friday, so a stained mouth at school isn't a problem the next day.

The first four Fridays, the tablets show where the teeth need to be cleaned:

Chew Half a Tablet

Chew half a tablet in the evening just before toothbrushing

Inspect the Teeth

Gently rinse out and inspect the teeth in good lighting

Dark Stains show Plaque

The dark stain shows the areas of plaque

Clean Well

Clean all the surfaces well but the dark areas need special attention

The next four Fridays, the tablets show where the teeth have not been cleaned properly:

Clean Well

Carefully brush the teeth as normal

Chew Half a Tablet

Chew half a tablet after toothbrushing

Inspect the Teeth

Gently rinse and inspect the teeth in good lighting

Dark Stains show Plaque

Any dark stain shows areas that have not been cleaned properly

Clean Well

Clean the teeth again to remove any dark stain


Toothpaste

Most toothpaste contains a mineral called fluoride that has been proven to protect teeth against decay. Fluoride is also added to the water supply in some parts of the country. In these areas, tooth decay has been significantly reduced.

ToothpasteThe use of fluoride has caused some controversy and a great deal of research has been done to find out if it is safe. The scientific opinion is that fluoridation does not affect general health. However, excessive fluoride in young children can result in a mottled appearance on their permanent teeth (dental fluorosis).

The amount of fluoride in different brands of toothpaste varies. This amount is measured in "ppmF" (parts per million fluoride). This is printed on the side of the tube or box. Most toothpastes are about 1000 to 1500ppmF. Some children's toothpastes are much lower and may not be strong enough for children who are more vulnerable to decay. Your dentist will recommend a toothpaste for your child.

If your child is less than two years old, only use a smear of toothpaste. Then, use an amount about the size of a small pea until they are seven years old. You must make sure that they spit the toothpaste out after brushing. However, fluoride needs to be in contact with the teeth in order to have an effect, so you shouldn't ask your child to rinse their mouth out with water after toothbrushing.


Fluoride Supplements

If your area doesn't have fluoridated water, or your child's teeth are particularly vulnerable, your dentist may recommend extra fluoride in the form of tablets, drops or mouthwashes.


Fissure Sealants

Some children have very deep fissures (crevices) in their permanent back teeth. These can be difficult to keep clean. These fissures can be sealed with a resin film to protect the surface from decay.

Fissure sealants are quick and painless to apply. The dentist cleans the tooth with a special acid, then washes and dries it. The resin is then painted onto the tooth and hardened with a bright, blue light.

Fissure sealants can last for several years but regular visits to the dentist are needed to check that they have not worn through. Children with fissure sealants still need to brush their teeth with fluoride toothpaste.

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